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It doesn't make sense to divide a moment in time, like "tomorrow at 10:00 a.m.", by a number.


However, you can divide a time interval by a number. For example, if it takes a man 4 hours to do a job, pressumably 2 men will do it in half the time - that is, 2 hours.


If you have mixed units, like 3h20m, you can proceed as follows (in the example, I'll divide by 2): half of 3 hours is 1 hour, remainder 1 hour. Convert the remaining hour to minutes, and add to the 20 minutes. Half of the resulting 80 minutes is 40 minutes. Thus, you have 1h40m.


You can also convert everything to a single unit (for example to minutes, or to seconds), do the division, then convert back to hours:minutes:seconds.


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Q: How do you divide time by a number?
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